1,1-dichloroprop-1-ene

C3H4Cl2

CAS563-58-6
GHS02 Gefahrensymbol: Entzündbar – Flamme
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
Danger

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Identification

CAS Number
563-58-6
EC Number
209-253-3
UN Number
2047
Index Number
602-031-00-0
PubChem CID
11245

Physical-chemical properties

Molecular Formula
C3H4Cl2
Molar Mass
110.97 g/mol
IUPAC Name
1,1-dichloroprop-1-ene

Chemical Identifiers

InChI
InChI=1S/C3H4Cl2/c1-2-3(4)5/h2H,1H3
InChI Key
ZAIDIVBQUMFXEC-UHFFFAOYSA-N

Overview

1,1-dichloroprop-1-ene (CAS 563-58-6) is a chlorinated alkene compound with flammable properties and moderate toxicity characteristics. This halogenated organic compound, with the molecular formula C3H4Cl2 and molecular weight of 110.97 g/mol, represents an important intermediate in various chemical synthesis processes. The compound features a double bond between carbon atoms with two chlorine substituents attached to the same carbon, creating its distinctive chemical reactivity profile. As indicated by its EC number 209-253-3, this substance is well-documented in European chemical regulations and requires careful handling due to its classification under multiple hazard categories. The safety profile of 1,1-dichloroprop-1-ene demands particular attention, as it carries the signal word "Danger" and displays GHS02 and GHS06 pictograms. Its classification as Flammable Liquid Category 2 means it has a flash point below 23°C and initial boiling point above 35°C, requiring appropriate fire prevention measures. The Acute Toxicity Category 3 classification indicates potential health hazards upon exposure, while its Aquatic Chronic Category 3 classification reflects environmental considerations for aquatic organisms. In industrial applications, this compound serves primarily as a chemical intermediate in organic synthesis reactions, particularly in the production of more complex chlorinated compounds. It finds use in pharmaceutical intermediate manufacturing and specialty chemical production, where its reactive double bond and chlorine substituents provide valuable synthetic pathways. Unlike related compounds such as propan-2-yl 2-chloroacetate, which serves different ester-based applications, 1,1-dichloroprop-1-ene's alkene structure offers unique reactivity for specific transformation reactions. Transportation requirements follow ADR Class 3 regulations for flammable liquids, ensuring safe handling throughout the supply chain. OYSI maintains technical-grade availability of this compound for qualified industrial customers requiring reliable access to this specialized chemical intermediate.

Safety & Classification

Danger
Classification:

Flam. Liq. 2; Acute Tox. 3 *; Aquatic Chronic 3

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H225

Highly flammable liquid and vapour.

H301

Toxic if swallowed.

H412

Harmful to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Ingestion

Toxic

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number2047
ADR Class3
Packing GroupII
Tunnel CodeD/E
Proper Shipping Name1,1-Dichlorpropen
Marine PollutantNo

Frequently Asked Questions

What is 1,1-dichloroprop-1-ene?

1,1-dichloroprop-1-ene is an organochlorine compound with the molecular formula C3H4Cl2 and CAS number 563-58-6. This chemical substance has a molecular weight of 110.97 g/mol and belongs to the class of halogenated alkenes. It is classified as a flammable liquid with acute toxicity properties and chronic aquatic toxicity. The compound carries the danger signal word and requires careful handling due to its hazardous nature.

What are the physicochemical properties of 1,1-dichloroprop-1-ene?

1,1-dichloroprop-1-ene is a flammable liquid at room temperature with the molecular formula C3H4Cl2. The compound has a molecular weight of 110.97 g/mol and exists as a colorless to pale yellow liquid with a characteristic chlorinated hydrocarbon odor. As a halogenated alkene, it exhibits typical properties of organochlorine compounds including limited water solubility and volatility at ambient temperatures.

What is 1,1-dichloroprop-1-ene used for?

1,1-dichloroprop-1-ene is primarily used as an intermediate in organic synthesis and chemical manufacturing processes. The compound serves as a building block for the production of various organochlorine derivatives and specialty chemicals. Its reactive double bond and chlorine substituents make it valuable in pharmaceutical synthesis, agrochemical production, and as a precursor for other halogenated compounds in industrial applications.

How to handle 1,1-dichloroprop-1-ene safely?

1,1-dichloroprop-1-ene requires strict safety precautions due to its flammable and toxic nature. Personal protective equipment must include chemical-resistant gloves, safety goggles, and respiratory protection in well-ventilated areas. Avoid all sources of ignition, heat, and sparks. Work in fume hoods or ventilated areas to prevent vapor accumulation. Keep away from incompatible materials and ensure emergency eyewash and shower facilities are readily accessible.

How to store 1,1-dichloroprop-1-ene correctly?

1,1-dichloroprop-1-ene must be stored in a cool, dry, well-ventilated area away from heat sources and ignition points. Use only approved containers designed for flammable liquids and ensure proper grounding to prevent static electricity buildup. Store separately from oxidizing agents, acids, and bases to prevent incompatible reactions. Maintain storage temperatures below recommended limits and implement appropriate fire suppression systems in storage areas.

What to do in case of contact with 1,1-dichloroprop-1-ene?

1,1-dichloroprop-1-ene exposure requires immediate first aid measures depending on the contact route. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. If inhaled, move to fresh air immediately and seek medical attention. For eye contact, flush thoroughly with water and remove contact lenses if present. In case of ingestion, do not induce vomiting and seek immediate medical attention.

How to dispose of 1,1-dichloroprop-1-ene properly?

1,1-dichloroprop-1-ene disposal must comply with local, national, and European waste regulations as a hazardous chemical waste. The compound cannot be disposed of in regular waste streams due to its flammable and toxic properties. Contact licensed hazardous waste disposal companies for proper treatment, which typically involves high-temperature incineration or specialized chemical treatment. Maintain proper documentation and waste tracking throughout the disposal process.

How to transport 1,1-dichloroprop-1-ene?

1,1-dichloroprop-1-ene is classified under ADR Class 3 (flammable liquids), Packing Group II, requiring specialized transport procedures. The compound must be packaged in UN-approved containers with proper labeling including GHS02 and GHS06 pictograms. Transport vehicles must comply with ADR regulations for flammable liquids, including appropriate placarding, emergency equipment, and driver certification. Shipping documentation must include proper shipping names and hazard classifications.

Is 1,1-dichloroprop-1-ene subject to specific regulations?

1,1-dichloroprop-1-ene is subject to European REACH regulation and CLP classification requirements as a hazardous chemical substance. The compound is not currently listed as a Substance of Very High Concern (SVHC) but must comply with standard registration, evaluation, and authorization procedures. Companies handling this substance must maintain safety data sheets, implement risk management measures, and ensure proper classification and labeling according to CLP regulations.

Where to buy 1,1-dichloroprop-1-ene in Europe?

1,1-dichloroprop-1-ene is available through OYSI, a specialized European distributor of technical chemicals and industrial raw materials. OYSI provides reliable supply chains across European markets with proper regulatory compliance and technical support. As a professional chemical distributor, OYSI ensures appropriate packaging, documentation, and delivery services for industrial customers requiring this specialized organochlorine compound for their manufacturing processes.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.